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Technical Data Sheet
PartsTable / COMPONENT / 55-22073-79
55-22073-79 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include corner_shape: SQUARE OUTSIDE RIGHT CORNER, flange_width: 0.1250 INCHES NOMINAL IN, hole_diameter: 0.1250 INCHES NOMINAL FIRST IN, overall_length: 0.8750 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES OVERALL, style_designator: SOLID, EXTERNAL FLANGE ONE END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-932-0891, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
55-22073-79
NSN: 3120-00-932-0891
FSC: 3120
CAGE: 52081 — EURAMCO SAFETY INC (USA)
SPECIFICATIONS
corner_shapeSQUARE OUTSIDE RIGHT CORNER
flange_width0.1250 INCHES NOMINAL IN
hole_diameter0.1250 INCHES NOMINAL FIRST IN
overall_length0.8750 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES OVERALL
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter1.6980 INCHES MINIMUM AND 1.6985 INCHES MAXIMUM IN
body_outside_diameter2.0630 INCHES MINIMUM AND 2.0635 INCHES MAXIMUM IN
flange_outside_diameter2.4375 INCHES NOMINAL IN
antirotation/lubrication_type_and_quantity2 HOLE
NSN3120-00-932-0891
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 55-22073-79 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CORNER SHAPE: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
•
FLANGE WIDTH: 0.1250 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 2.4375 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.1250 INCHES NOMINAL FIRST IN
•
BODY INSIDE DIAMETER: 1.6980 INCHES MINIMUM AND 1.6985 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
FLANGE WIDTH0.1250 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER2.4375 INCHES NOMINAL IN
HOLE DIAMETER0.1250 INCHES NOMINAL FIRST IN
BODY INSIDE DIAMETER1.6980 INCHES MINIMUM AND 1.6985 INCHES MAXIMUM IN
OVERALL LENGTH0.8750 INCHES NOMINAL IN
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
SURFACE FINISH125.0 MICROINCHES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
CS9320887Interchangeable
interchangeable cross-reference
interchangeable
CA10994Interchangeable
interchangeable cross-reference
interchangeable
MIL-STD-130HInterchangeable
interchangeable cross-reference
interchangeable
CA10994-11AInterchangeable
interchangeable cross-reference
interchangeable
55-22078-64Interchangeable
interchangeable cross-reference
interchangeable
CA6067-19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55-22073-79?
55-22073-79 is a BEARING,SLEEVE.
What parts can replace 55-22073-79?
There are 16 known substitutes for 55-22073-79: CS9320887, CA10994, MIL-STD-130H and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55-22073-79?
55-22073-79 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-932-0891. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026